A randomized 25 question test from a pool of 761 questions, good luck!
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems based on a mathematical expression and is available to be used on data frames too large for any other method of error checking?
The design and utilization of a SCADA system requires the approval of several layers of government. Which of the terms below would best be described as what a regulatory body would define and enforce?
Which of the terms below can be best described as recommended commands to perform advanced configuration of devices?
Which of the answers below best represents the Foundation fieldbus H1 data transmission parameters?
The limits of a OUT parameter status field has several different classifications. Which of the classifications below can be described as the indication of a parameter under the LRV?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that allows for a data connection to other networks, or RTUs and PLCs?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses the conversion of dc voltage levels to ac to represent logic states?
The OSI model describes how a network should be arranged. Which of the layers below defines the media access method and the message frame structure?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the router interacts with?
The numerous tasks that are accomplished at the same time in a DCS, is a result of the configured software programs that it has . Which of the software programs below will set up the user manager and data administrator when loaded?
Which of the answers below is best described as an instrument database that can be modern control systems can access?
In the protocol specifications of Modbus, there are 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the input registers addresses?
Over the lifetime of a HMI, there will be changes to it's software form the supplier. Which of the terms below would best describe the red number in the picture below?
The heart of a DCS is considered the PLC and it's five main programming languages. Which of the programming languages would be described as mimicking the components of the hardware of an analog control in self-contained blocks of code?
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an advantage of using encapsulation?
display resolution determines the graphic flexibility of the HMI hardware to be moved to different GUIs? which of the aspect ratios below would be most commonly used for a display?
The numerous tasks that are accomplished at the same time in a DCS, is a result of the configured software programs that it has . Which of the software programs below will governed by IEC-61131-3?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to request the content of the slaves holding registers # 40108?
The term "Modem" relates best to which of the answers below?
The wired Ethernet transmission standards are defined by the OSI model layers. Which of the answers below is one of those defining layers?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below can best be described as the highest level alarm, demanding prompt operator action?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of a Foundation Fieldbus protocol?
DCS commonly is considered a computerised control system for a plant that has central operator supervisory control. Which of the terms below is best described as a system that allows for exchange of data throughout, but can have remote systems within the system?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "C"?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is a network that links smaller networks together, but potentially on a global scale?